Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
11075 Donhoff (1992 SP26)
Classification: Main-belt Asteroid          SPK-ID: 2011075
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1888481792653841 3.7024e-08  
a 2.413401465086356 8.4263e-09 au
q 1.957634992568387 9.0384e-08 au
i 4.038286337071867 3.9942e-06 deg
node 83.9855630146449 5.9272e-05 deg
peri 276.2639329231454 6.0189e-05 deg
M 46.16881950426846 1.0432e-05 deg
tp 2458424.873901230976
(2018-Nov-02.37390123)
3.9548e-05 TDB
period 1369.439293352591
3.75
7.172e-06
1.964e-08
d
yr
n .2628813133575761 1.3768e-09 deg/d
Q 2.869167937604324 1.0018e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1679  
   data-arc span      11375 days (31.14 yr)  
   first obs. used      1988-08-16  
   last obs. used      2019-10-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48005  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 03:29:05  

Additional Information
 Earth MOID = .958592 au 
 Jupiter MOID = 2.58528 au 
 T_jup = 3.490 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO452327  
diameter diameter 7.775 km 0.166 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.042   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

11075 Dönhoff           Discovered 1992 Sept. 23 by F. Borngen at Tautenburg.
Marion Gräfin Dönhoff (b. 1909) is a highly esteemed critical German journalist, engaged in problems from the past and present. Her analyses are characterized by objectivity and restraint. Among her honors is the peace prize of the German book trade. The name was independently suggested by L. D. Schmadel.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000124/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 1992 SP26 = 1988 QO1 = 1996 YQ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin